2018-12-04 16:45:58 +00:00
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NEW
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2020-02-26 07:28:45 +00:00
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AUTO 3,1
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2018-12-04 16:45:58 +00:00
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.LIST OFF
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2020-02-26 07:28:45 +00:00
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.OP 65C02
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.OR $2000
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2020-01-24 14:21:08 +00:00
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.TF sbin/initd
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2018-12-04 16:45:58 +00:00
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*--------------------------------------
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.INB INC/MACROS.I
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.INB INC/A2OSX.I
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2020-02-27 07:27:42 +00:00
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.INB INC/MLI.I
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2018-12-04 16:45:58 +00:00
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*--------------------------------------
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* Zero Page Segment, up to 32 bytes
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*--------------------------------------
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.DUMMY
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.OR ZPBIN
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ZS.START
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2020-02-27 07:27:42 +00:00
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BufPtr .BS 2
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hBuf .BS 1
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hFile .BS 1
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2020-03-13 07:15:58 +00:00
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ZS.END .ED
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2018-12-04 16:45:58 +00:00
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*--------------------------------------
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* File Header (16 Bytes)
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*--------------------------------------
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CS.START cld
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jmp (.1,x)
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.DA #$61 6502,Level 1 (65c02)
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.DA #1 BIN Layout Version 1
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2018-12-05 15:12:10 +00:00
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.DA #0 S.PS.F.EVENT
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2018-12-04 16:45:58 +00:00
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.DA #0
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.DA CS.END-CS.START Code Size (without Constants)
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.DA DS.END-DS.START Data SegmentSize
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.DA #16 Stack Size
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.DA #ZS.END-ZS.START Zero Page Size
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.DA 0
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*--------------------------------------
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* Relocation Table
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2019-10-03 06:25:27 +00:00
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*--------------------------------------
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2018-12-04 16:45:58 +00:00
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.1 .DA CS.INIT
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.DA CS.RUN
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.DA CS.DOEVENT
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.DA CS.QUIT
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2020-02-27 07:27:42 +00:00
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L.MSG.CTRLR .DA MSG.CTRLR
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L.BINSH .DA BINSH
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L.ETCINIT .DA ETCINIT
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L.BINMEM .DA BINMEM
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L.BINPS .DA BINPS
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L.BINSHUTDOWN .DA BINSHUTDOWN
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2018-12-04 16:45:58 +00:00
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.DA 0
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*--------------------------------------
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CS.INIT clc
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rts
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*--------------------------------------
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CS.RUN ldy #S.PS.PID
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lda (pPS),y
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cmp #1
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bne .9
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2020-02-26 07:28:45 +00:00
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2020-03-13 16:10:36 +00:00
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ldy #S.PS.hStdIn
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lda (pPS),y
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>SYSCALL feof
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bcs .99
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tay
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bne .1
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>SYSCALL getchar
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bcs .99
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2020-02-26 07:28:45 +00:00
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2020-03-13 16:10:36 +00:00
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cmp #18 CTRL-R for Root mode
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bne .1
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2020-02-26 07:28:45 +00:00
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2018-12-04 16:45:58 +00:00
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>LDYA L.MSG.CTRLR
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2020-02-28 07:21:46 +00:00
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>SYSCALL PutS
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2020-02-27 07:27:42 +00:00
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>LDYA L.BINSH
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jsr CS.RUN.EXEC.YA
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2020-03-13 16:10:36 +00:00
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>SLEEP
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2020-02-27 07:27:42 +00:00
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.1 jsr CS.RUN.ETCINIT
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bcs .99
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.2 >SYSCALL getchar
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bcs .99
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cmp #C.CR Ctrl.M
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bne .3
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>LDYA L.BINMEM
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jsr CS.RUN.EXEC.YA
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bra .2
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.3 cmp #16 Ctrl.P
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bne .4
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>LDYA L.BINPS
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jsr CS.RUN.EXEC.YA
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bra .2
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.4 cmp #4 Ctrl.D
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bne .2
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>LDYA L.BINSHUTDOWN
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jsr CS.RUN.EXEC.YA
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bcs .2
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2018-12-04 16:45:58 +00:00
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sec
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rts
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2020-02-27 07:27:42 +00:00
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2018-12-04 16:45:58 +00:00
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.9 lda #E.SYN
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sec
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2020-02-27 07:27:42 +00:00
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.99 rts
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*--------------------------------------
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CS.RUN.ETCINIT >LDYAI 256
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2020-02-28 07:21:46 +00:00
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>SYSCALL GetMem
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2020-02-27 07:27:42 +00:00
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>STYA BufPtr
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stx hBuf
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>PUSHW L.ETCINIT
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>PUSHBI O.RDONLY+O.TEXT
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>PUSHBI S.FI.T.TXT
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>PUSHWZ
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2020-03-09 16:24:08 +00:00
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>SYSCALL FOpen
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2020-02-27 07:27:42 +00:00
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bcs .90
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sta hFile
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.1 >PUSHWI 256
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>PUSHW BufPtr
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lda hFile
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>SYSCALL fgets
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bcs .80
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lda (BufPtr)
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cmp #'#'
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beq .1
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>LDYA BufPtr
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jsr CS.RUN.EXEC.YA
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bra .1
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.90 pha
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jsr .81
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pla
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sec
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rts
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.80 lda hFile
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2020-02-28 07:21:46 +00:00
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>SYSCALL FClose
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2020-02-27 07:27:42 +00:00
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.81 lda hBuf
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2020-02-28 07:21:46 +00:00
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>SYSCALL FreeMem
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2020-02-27 07:27:42 +00:00
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2018-12-04 16:45:58 +00:00
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rts
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*--------------------------------------
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2020-02-27 07:27:42 +00:00
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CS.RUN.EXEC.YA >PUSHYA
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2020-03-13 16:10:36 +00:00
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>PUSHBI S.PS.F.HOLD
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2020-02-27 07:27:42 +00:00
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>SYSCALL ExecL
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rts
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2018-12-04 16:45:58 +00:00
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*--------------------------------------
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CS.DOEVENT sec
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rts
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*--------------------------------------
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CS.QUIT clc
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rts
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*--------------------------------------
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CS.END
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*--------------------------------------
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2020-03-13 16:10:36 +00:00
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MSG.CTRLR .AZ "INITD:Entering ROOT mode..."
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2020-02-27 07:27:42 +00:00
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BINSH .AZ "${ROOT}bin/sh"
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2020-02-26 07:28:45 +00:00
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ETCINIT .AZ "${ROOT}etc/init"
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2020-02-27 07:27:42 +00:00
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BINMEM .AZ "${ROOT}bin/mem"
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BINPS .AZ "${ROOT}bin/ps"
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BINSHUTDOWN .AZ "${ROOT}bin/shutdown"
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2018-12-04 16:45:58 +00:00
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*--------------------------------------
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.DUMMY
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.OR 0
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DS.START
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2020-03-13 07:15:58 +00:00
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DS.END .ED
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2018-12-04 16:45:58 +00:00
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*--------------------------------------
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MAN
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SAVE USR/SRC/SBIN/INITD
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ASM
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